Derivative Instruments and Hedging Activities (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 03, 2016 |
Nov. 28, 2015 |
|
| Derivative [Line Items] | ||
| Notional amount | $ 30,228 | $ 48,797 |
| Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 10,248 | 0 |
| Gain (loss) reclassified from accumulated OCI into income | 108 | |
| Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Foreign Exchange Contracts [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 1,569 | 5,326 |
| Not Designated as Hedging Instrument [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 6,479 | 7,212 |
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | ||
| Derivative [Line Items] | ||
| Notional amount | 11,932 | 36,529 |
| Gains on foreign currency contracts | 5,962 | |
| Losses on foreign currency contracts | 854 | |
| Foreign currency transaction loss | $ 5,217 | $ 179 |